the smoke close to the ground. >> reporter: the blaze broke out monday morning in four-mile canyon northwest of boulder. 45 mile-an-hour wind gusts quickly sent flames roaring through the foothills forcing more than 3,000 people from their homes in the canyons and surrounding areas. >> it's really important for there to be some level of patience, even as difficult as it is to know that your property may be implicated. >> reporter: it's a difficult and dangerous fight, rugged, steep terrain. more than 35 agencies have responded to the fire, state and federal help is also on the way. tankers, spotting planes and helicopters are prepared to make runs this afternoon after being grounded this morning and most of monday, despite the fire's quick advance, no injuries have been reported but the spencer's whose home was destroyed are among those feeling a loss. >> the one thing that has concerned me more than anything sells my neighbors.